INDEX. 



407 



M. 



Maclure, Wm., geological labors of, 232 

 Magnetic and meteorological observa- 

 tions, 372. 



iron in meteoric iron, mode of 

 detecting, 358. 



needle, dip of, 93. 



variation of, 106. 

 Magnetism, Davis' Manual of, 381. 

 Mammalia of Connecticut, catalogue of, 



345. 

 Mammals, two new fossil, 141. 

 Manchester Geological Society, Trans- 

 actions of, 201. 

 Mantel], Dr., memoirs on Saurian re- 

 mains, 189. 



testimonial to, 206. 

 Thoughts on a Pebble, 382. 

 Mason, E. P., Life and Writings of, 381. 

 Massachusetts, agriculture of, fourth re- 

 port on, 202. 



insects of, Harris's report 

 on, 386. 

 Medal, gold, awarded to Prof. Robinson, 



404. 

 Metal, new, discovery of, 404. 

 jyieteor, explosion of, near Boston, in 

 1689 399. 



'of Nov. 10th, 1841,399. 

 Meteoric iron, analysis of, 169. 



chlorine in, 169, 359. 

 from Tennessee, analysis 

 of, 354. 



observations at New Haven, 

 Aug. 8th, 9th and 10th, 1842, 377. 



rain in Hungary, terrestrial ori- 

 gin of, 401. 

 Meteorological notices, ancient, 398. 



observations at Plymouth, 

 Eng., for 1841, 369. 



request of Prof Espy, 401. 

 Michaux's North American Sylva, 188. 

 Microlite, identity of with pyrochlore, 



33, 116. 

 Microscopic Journal, London, 392. 

 Microscopical researches, 219. 



Society of London, reports 

 of, 391. 

 Miller, Hugh, geological researches of, 



198. 

 Mines, coal, near Richmond, Va., 1. 

 lead, in Missouri, 55. 

 in Wisconsin, 35. 

 Missouri lead region, remarks upon, 55. 

 Mounds, ancient, in the United States, 



152. 

 Muck Manual for Farmers, 192. 

 Murchison's address before the London 

 Geological Society, 197. 



Prof Hitchcock's re- 

 marks upon, 396. 



N. 

 Nautilus, fossil, 187. 



Necrology, botanical, 214. 

 Needle, magnetic, dip of, 93. 



variation of, 106. 



O. 



Obituary notices, 214. 



Oil of Indian corn, 403. 



Olmsted's Life and Writings of Mason 



noticed, 381. 

 Owen, D. D., on human foot-prints in 



solid limestone, 14. 



Pebble, Thoughts on, Mantell's, 382. 

 Pentremites, fossil, 20. 

 Perkins's Algebra noticed, 380. 

 Phenakite, supposed,from Goshen.Mass., 



366. 

 Photographic processes, observations on, 



73. 

 Plants, growth of in closely glazed cases, 



ooo. 

 Plummer, J. T., on the properties of 



wood ashes, 80. 

 Producta, fossil, 18. 

 Providence tornado, 137, 263. 

 Pyrochlore, analysis of, by Wohler, 35. 

 identity of with microlite, 

 33, 116. 



R. 

 Rain-marks, fossil, 172. 

 Rain, meteoric, in Hungary, terrestrial 



origin of, 401. 

 Redfield, W. C, on ancient polar cur- 

 rents, 152. 



on drift deposit about New 

 York, 152. 



on fossil fishes, 172. 

 on fossil rain-marks in new 

 red sandstone of New Jersey, 172. 



on new foot-marks in new 

 red sandstone of Connecticut, 172. 



on Providence tornado,263. 

 theory of storms. Dr. Hare's 

 objections to, 122. 



reply to Dr. Hare's objec- 

 jections, 250. 

 Robinson, Prof E., award of gold medal 



to, 404. 

 Rogers, H. D., on the dip of geological 

 strata, 170, 



on the elevation of the 

 earth's surface, 153. 



on the structure of the 



Appalachian chain, 177, 180. 



Rogers, J. B., analyses of meteoric iron 



169. ' 



Rogers,'W. B., on chlorine in meteoric 



iron, 169. 



on fossil foot-marks, 173. 

 on ores of zinc and lead in 

 Virginia, 169. 



on oxide of tin in Vir- 

 ginia, 168. 



